Remove legacy references to wingraphviz module that was removed sever…

…al years ago

bug_relationship_graph.php

@@ -143,9 +143,9 @@
 	<td colspan="2">
 <?php
 	if ( $t_graph_relation )
-		$t_graph = relgraph_generate_rel_graph( $f_bug_id, $t_bug );
+		$t_graph = relgraph_generate_rel_graph( $f_bug_id );
 	else
-		$t_graph = relgraph_generate_dep_graph( $f_bug_id, $t_bug, $t_graph_horizontal );
+		$t_graph = relgraph_generate_dep_graph( $f_bug_id, $t_graph_horizontal );
 
 	relgraph_output_map( $t_graph, 'relationship_graph_map' );
 ?>

bug_relationship_graph_img.php

@@ -65,8 +65,8 @@
 $t_graph_horizontal = ( 'horizontal' == $f_orientation );
 
 if ( $t_graph_relation )
-	$t_graph = relgraph_generate_rel_graph( $f_bug_id, $t_bug );
+	$t_graph = relgraph_generate_rel_graph( $f_bug_id );
 else
-	$t_graph = relgraph_generate_dep_graph( $f_bug_id, $t_bug, $t_graph_horizontal );
+	$t_graph = relgraph_generate_dep_graph( $f_bug_id, $t_graph_horizontal );
 
 relgraph_output_image( $t_graph );

core/graphviz_api.php

@@ -107,7 +107,6 @@ class Graph {
 	 * Graphviz tool
 	 */
 	var $graphviz_tool;
-	var $graphviz_com_module;
 
 	/**
 	 * Formats
@@ -215,18 +214,16 @@ class Graph {
 	 * @param string $p_name
 	 * @param array $p_attributes
 	 * @param string $p_tool
-	 * @param string $p_com_module
 	 * @return null
 	 */
-	function Graph( $p_name = 'G', $p_attributes = array(), $p_tool = 'neato', $p_com_module = 'WinGraphviz.NEATO' ) {
+	function Graph( $p_name = 'G', $p_attributes = array(), $p_tool = 'neato' ) {
 		if( is_string( $p_name ) ) {
 			$this->name = $p_name;
 		}
 
 		$this->set_attributes( $p_attributes );
 
 		$this->graphviz_tool = $p_tool;
-		$this->graphviz_com_module = $p_com_module;
 	}
 
 	/**

core/relationship_graph_api.php

@@ -18,17 +18,12 @@
  * Relationship Graph API
  *
  * This uses GraphViz utilities to generate relationship graphs for
- * issues. Either GraphViz (for all OSs except Windows) or
- * WinGraphviz (for Windows) must be installed in order to use this
- * feature.
+ * issues. GraphViz must be installed in order to use this feature.
  *
  * Graphviz is available at:
  * 	- http://www.graphviz.org/
  * 	- http://www.research.att.com/sw/tools/graphviz/
  *
- * WinGraphviz is available at:
- * 	- http://home.so-net.net.tw/oodtsen/wingraphviz/
- *
  * Most Linux distributions already have a GraphViz package
  * conveniently available for download and install. Refer to
  * config_defaults_inc.php for how to enable this feature once
@@ -81,8 +76,13 @@ function relgraph_bug_format_id( $p_bug_id ) {
 	return $t_pretty_bug_id;
 }
 
-# Generate a relationship graph for the given issue.
-function relgraph_generate_rel_graph( $p_bug_id, $p_bug = null ) {
+/**
+ * Generate a relationship graph for the given issue.
+ *
+ * @param int $p_bug_id bug id
+ * @return Graph
+ */
+function relgraph_generate_rel_graph( $p_bug_id ) {
 
 	# List of visited issues and their data.
 	$v_bug_list = array();
@@ -228,12 +228,11 @@ function relgraph_generate_rel_graph( $p_bug_id, $p_bug = null ) {
 /**
  * Generate a dependency relationship graph for the given issue.
  * @param int $p_bug_id bug id
- * @param MantisBug $p_bug Bug object
  * @param bool $p_horizontal graph orientation - horizontal if true
  * @todo duplicate bug/bugid
  * @return Digraph
  */
-function relgraph_generate_dep_graph( $p_bug_id, $p_bug = null, $p_horizontal = false ) {
+function relgraph_generate_dep_graph( $p_bug_id, $p_horizontal = false ) {
 
 	# List of visited issues and their data.
 	$v_bug_list = array();
@@ -246,9 +245,7 @@ function relgraph_generate_dep_graph( $p_bug_id, $p_bug = null, $p_horizontal =
 	# so, if these issues happen to be visited also, relationship links
 	# will be preserved.
 	# The first issue in the list is the one we are parting from.
-	if( null === $p_bug ) {
-		$p_bug = bug_get( $p_bug_id, true );
-	}
+	$p_bug = bug_get( $p_bug_id, true );
 
 	$v_bug_list[$p_bug_id] = $p_bug;
 	$v_bug_list[$p_bug_id]->is_descendant = true;